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Relevance of Interconnect in NGN Environment. H C Soni VP ITU-APT Foundation of India [email protected] India: Present status as on 31 st Jan 09. How to balance reducing ARPU and manage growth: Use USO: for Tower, power, W/L and OFC penetration Bring in Virtual operator concept

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Relevance of interconnect in ngn environment

ITU-APT FDN of India

Relevance of Interconnect in NGN Environment

H C Soni

VP ITU-APT Foundation of India

[email protected]


India present status as on 31 st jan 09
India: Present status as on 31st Jan 09

ITU-APT FDN of India


What is happening

How to balance reducing ARPU and manage growth:

Use USO: for Tower, power, W/L and OFC penetration

Bring in Virtual operator concept

Share Infrastructure

Operators wants to penetrate into rural areas

But People have less paying capacity (US$ 1-2 pm)

Thus Tariff is reducing

ARPU reducing

ITU-APT FDN of India

What is happening


What is infrastructure

ITU-APT FDN of India

What is infrastructure

  • Passive: Tower, Power, Land and Building etc.

  • Active

    • Switches: TDM and IP based

    • Transport network

      • OFC

      • Wireless: M/W, Satellite

    • Access network

      • Copper: Local loop

      • Fiber: L/D, Back Haul and FTTX

      • Wireless: BTS

    • Applications

    • Billing Systems


What to share

Example of tourism Industry

Bulk Ticketing, Pooled Pick-up drop, Bulk hotel booking, Group Sight seeing, Bulk lunch/Dinner

Thus to get maximum benefit: Why not Share/Pool

Access Network

Carrier/Transport network

Billing System

Applications

Infrastructure passive and active

Common interconnect

ITU-APT FDN of India

What to share?


Interconnect issues

ITU-APT FDN of India

Interconnect Issues

  • Separate Network for Basic/Mobile (Voice) and for Data

  • Huge growth- Of the order of 15 Million mobile connections in a month in India

  • Increasing numbers of Application developers, no. of Oprs and their Traffic

  • Every Basic/Mobile operator have to have interconnection (or transit through) with each other and with many NLD and ILD oprs


Present interconnection

ITU-APT FDN of India

Present Interconnection

BS1

BS2

BS3

ILDO1

NLDO1

ILDO2

NLDO2

MO1

MO2

MO3


Results

ITU-APT FDN of India

Results

  • Sub-optimal utilization of resources

  • Inefficient handling of calls

  • High operational cost for managing inter operator connections

  • Inter opr/carrier billing problems

  • Complexity in settlement in Interconnect usage charges

  • Increase in CAPEX and OPEX


Challenges

ITU-APT FDN of India

Challenges

  • Reduce High interconnection cost

  • Reduce Connection at different levels and at many places and Complex routing at every point

  • Reduce Huge requirement of ports and their cost

  • Physical provisions at different places causes delay and need more capacity

  • Resolution of billing disputes/court cases


What is the solution ngn ice

ITU-APT FDN of India

What is the Solution: NGN:ICE

  • Open and Fragmented Architecture

  • Best breed of products

  • Much Better Performance

  • Desired Quality of Service

  • Efficient inter working

    ‘And what not’

    Thus NGN interconnect Exchanges can be best solution for inter connecting


Ngn ip based interconnect exchange

ITU-APT FDN of India

NGN/IP based Interconnect Exchange

BS1

BS2

BS3

ILDO1

NLDO1

INTERCONNECT EXCHANGE

ILDO2

NLDO2

MO1

MO2

MO3


ITU-APT FDN of India

Domestic

International

NGN switch

LIS

LIS

NGN Net

SBC

SBC

I E

IN

MG

MG

TDM switch

TDM Net

Billing/CS

ASP


Advantages

ITU-APT FDN of India

Advantages

  • Network planning fast and simple leads to reduction in cost and port charges

    • Simple network interconnection using Electrical/Optical, GE/STM interfaces

    • Reduction in number of links

    • Simplifies digit analysis for all inter operator and long distance calls from the switches connected to it


Advantages contd

ITU-APT FDN of India

Advantagescontd.

  • Fast provision/augmentation of PoIs as everybody knows physical location of IC

  • Integration of different service providers at one point

  • Help in quadruple (Voice, Video, Mobile TV and data) play in inter opr environment

  • Help in convergence of services, application and provisioning

  • Simplification in carrier selection function


Advantages contd1

ITU-APT FDN of India

Advantagescontd.

  • Integrated inter carrier billing/Clearing house

    • Less connection: less disputes: less court cases

    • Inter operator charging, based on GoS, Content and network elements used in interconnection

  • Intelligent network services

    • Easy provision in a multi opr and multi-service scenario

    • Content can be integrated at ICE and can be pooled to all the operators connected to it

  • Centralized LIS with artificial intelligence, Grid surveillance and encryption/decryption for voice and internet traffic


Advantages contd2

ITU-APT FDN of India

Advantagescontd.

  • Low latency and guaranteed QoS

  • Reduction in Capex and Opex

  • Down time can be reduced with resilient multiple node architecture

  • FMC and Femto cell concept in multi operator environment in case of intra roaming, thus saving in spectrum


Implementation issues

ITU-APT FDN of India

Implementation issues

  • High upfront cost

  • Introduction of MG in case of TDM switches with E1/STM connectivity

  • Introduction of SBC in case of IP based switches with GE/MPLS connectivity

  • In domestic networks interconnect exchange (one or two depending on the business case) at charging area level and at Metro-city level

  • Duplicate connectivity or connectivity through Self healing rings


Implementation issues contd

ITU-APT FDN of India

Implementation issues contd.

  • Migrating TDM switches to IP based architecture

  • Circumventing Security risks and ensuring hassle free LI

  • For few years existing Interconnect regime has to continue and in parallel NGN based interconnect Exchange

  • Duplication till full shift to IP/ICE but better in long run

  • UASL operator with centralized control of MG/SBC distributed in service area


Implementation issues contd1

ITU-APT FDN of India

Implementation issues contd.

  • NLD/ILD operators may have centralized control at two places for geographical redundancy

  • By and by migration to NGN switches in the network and IP based interconnection

  • Integrating Voice, Video, Data & IPTV

  • Charging scenario will change but will be more versatile: Old Distance/Time based may be replaced by NGN based: QoS, B/W, Appln, Supplementary & VAS


Who will do it

ITU-APT FDN of India

Who will do it?

  • Regulator and licencer: terms to be redefined with light touch approach

  • All stake holders to come to gather

  • By incumbent operator or by other or by a separate independent operator

  • Management by: To be decided by all stake holders

    This is about ICE What about others?


So perhaps in future ngn will give

ITU-APT FDN of India

So Perhaps in Future NGN will give

  • Separate access providers: DSL, Wi-Fi, WiMAX, FTTX, GSM, CDMA, 3G, 4G and xG etc

  • Separate: network provider with NGN core

  • Separate: long/short distance connectivity providers: by most Optimal Carrier Ethernet

  • Separate Infra: Tower, Power, BTS providers

  • Separate: Application Service providers

  • Strong Marketers with innovative ‘Tariff Products’ giving cheapest service to Public

  • Bring MVNO/ Virtual Operator concept AND

    ‘Specialized people will maintain different entities, conveniently and in the

    Cheapest way’



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